GB2468595A - Resin bound permeable slab - Google Patents
Resin bound permeable slab Download PDFInfo
- Publication number
- GB2468595A GB2468595A GB1004118A GB201004118A GB2468595A GB 2468595 A GB2468595 A GB 2468595A GB 1004118 A GB1004118 A GB 1004118A GB 201004118 A GB201004118 A GB 201004118A GB 2468595 A GB2468595 A GB 2468595A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slab
- matrix
- resin
- voids
- aggregate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
- E01C5/20—Pavings made of prefabricated single units made of units of plastics, e.g. concrete with plastics, linoleum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/04—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers
- B28B11/06—Apparatus or processes for treating or working the shaped or preshaped articles for coating or applying engobing layers with powdered or granular material, e.g. sanding of shaped articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
- B29C67/242—Moulding mineral aggregates bonded with resin, e.g. resin concrete
- B29C67/243—Moulding mineral aggregates bonded with resin, e.g. resin concrete for making articles of definite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/58—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising fillers only, e.g. particles, powder, beads, flakes, spheres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/688—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks the inserts being meshes or lattices
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C5/00—Pavings made of prefabricated single units
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B9/00—Making granules
- B29B9/16—Auxiliary treatment of granules
- B29B2009/163—Coating, i.e. applying a layer of liquid or solid material on the granule
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
- B29C37/0067—Using separating agents during or after moulding; Applying separating agents on preforms or articles, e.g. to prevent sticking to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/732—Floor coverings
Abstract
A resin-bound permeable slab comprises an aggregate and a cavity including a matrix in its bottom surface. The matrix may comprise a plastics grid insert. The matrix may have an upper surface (21, Figure 6) with depending walls 24 defining voids 25, some of which are through voids 22 opening into the upper surface. Void perforations 23 allow for water drainage through the slab. Preferably, the matrix includes a plurality of apertures 30 which allow a plug, such as an un-set cement, to flow between voids to secure the slab in position. Apertures 30 may additionally provide drainage and may communicate with apertures (31) opening in the upper surface 21. The matrix may be embedded in the slab by a co-planar peripheral flange 14 or a series of smaller flanges. The slab may include a non-slip surface such as sand or fine grit. A method of forming the slab comprises the steps of locating the matrix within in a mould; mixing aggregate and resin to provide a resin-coated aggregate; pouring the resin aggregate mix into the mould; floating the surface of the resin-coated aggregate mix, to provide a level upper surface; curing; and removing the slab from the mould.
Description
SLAB
The present invention relates to slabs. In particular, the present invention relates to paving slabs; more particularly resin-bound paving slabs.
Resin-bonded slabs formed from aggregate granules and resins are well known. For example, GB 1326006 describes slabs and tiles formed by bonding graded chippings or granules of predetermined size range of stone, glass or other material with a transparent synthetic resin within a suitable mould. The slab is formed by first forming a layer of synthetic resin in the base of the mould and allowing it to set before the stone chippings and additional resin, or a mixture of the two, are added to the mould and allowed to set. The chippings may be of granite, marble, coal, glass or other suitable materials and the first-formed resin layer can be subsequently removed by, for example, sandblasting to uncover the embedded surface of chippings, if desired.
U54085 181 describes a method of making multiple resin-bonded slabs from a single mould. At least one surface of the mould is lined with a bonding material, typically a polyester or epoxy resin, before an aggregate is introduced into the mould and the interstices therebetween filled with more bonding material. The aggregate-resin mixture is then allowed to cure and harden to form a solid column. The column is removed from the mould and sliced into paving slabs.
However, these and other known resin-bonded slabs suffer a number of disadvantages, not least because the slabs tend to be difficult to secure to a surface due to the presence of the resinous bonding agent and its inert nature. Resin-bonded slabs also suffer the disadvantage that they are not permeable which means that surface water cannot drain through the slab to allow, for example, rain water to drain from a site covered by the slabs. This is especially problematic when these kind of slabs are used to cover large areas. The resultant lack of natural drainage can lead to pooling of surface water which is undesirable or, where the covered surface is located on a gradient, problems with mn-off water occur in the surrounding area.
Therefore, it is desirable to provide a paving slab which does not suffer from at least some of these disadvantages.
According to a first aspect of the present invention, there is provided a resin-bound slab comprising an aggregate and a resin, wherein the slab is permeable and comprises a cavity in its bottom surface, and wherein the cavity includes a matrix.
Preferably, the matrix comprises a plurality of voids.
Suitably, the matrix is a grid insert. Preferably, the grid insert is formed from a plastics material.
Preferably, the grid insert has at least one peripheral flange. More preferably, the grid insert has a plurality of peripheral flanges.
Preferably, the matrix has inner walls defining the grid, and thus the plurality of voids, and includes a plurality of apertures which link adjacent voids.
Optionally, the slab further includes a non-slip upper surface. Suitably, the non-slip upper surface is a non-slip covering. Preferably, the non-slip covering is resin-bound sand or fine grit.
According to a second aspect of the present invention, there is provided a method of forming a permeable resin-bound slab comprising an aggregate and a resin, which further comprises a cavity in its bottom surface, wherein the cavity includes a matrix, wherein the method comprises the steps of i) locating a matrix within in a mould; ii) mixing an aggregate and suitable resin, to provide a resin-coated aggregate; iii) pouring the resin-coated aggregate mix into the mould; iv) floating the surface of the resin-coated aggregate mix, to spread the mix into the mould and provide a level upper surface; v) curing; and vi) removing the slab from the mould.
Preferably, the method ftirther comprises a first step of applying a silicone or grease to the mould.
Preferably, the method ftirther comprises a step of agitating the mould between the step of pouring the mix and the step of floating the upper surface of the mixture.
Suitably, the method further includes a step of adding a non-slip covering to the upper surface of the slab. Preferably, the non-slip covering is a fine particulate material such as sand or grit. Preferably, the non-slip covering is added prior to, or during the curing process. Suitably, the fine particulate material is applied using a compressed gas such as compressed air.
In a third aspect, the present invention provides a matrix for a resin-bound slab, wherein the matrix comprises an upper surface having a plurality of walls depending therefrom, wherein the walls define a plurality of voids.
Preferably, at least some of the voids are formed as through-voids with the upper surface.
Preferably, the matrix includes peripheral engagement means. Suitably, the peripheral engagement means comprises a peripheral co-planar flange. Preferably, the peripheral engagement means ftirther comprises a plurality of orthogonal flanges.
Preferably, at least some of the walls are formed with a wall aperture adjacent the upper surface and the upper surface is formed with corresponding apertures in communication with an adjacent wall aperture.
The above and other aspects of the invention will now be illustrated in ftirther detail, by way of example only, with reference to the accompanying drawings in which: Figure 1 is a perspective view from the top and a first side of an embodiment of a slab according to the first aspect of the invention; Figure 2 is a bottom plan view of the embodiment of Figure 1; Figure 3 is a sectional side view of the embodiment of Figure 1; Figure 4 is a perspective view from the bottom and a first side of the embodiment of Figure 1; Figure 5 is an underside perspective view of a further embodiment of a matrix in accordance with the present invention; and Figure 6 is a top perspective view of the embodiment of Figure 5.
Referring to Figures 1 to 4, there is shown a slab 10 formed from aggregate granules 11 and a resin. The slab is generally square in shape and has a square cavity 12 in its underside. As shown in Figures 2 and 4, the cavity 12 includes a matrix generally in the form of grid 13, forming a plurality of voids 9. In the illustrated embodiment, grid 13 is embedded within the slab 10 by a co-planar peripheral flange 14 (see Figure 3) which extends perpendicularly from the outer edge of the matrix. In alternative embodiments, not shown, a series of smaller flanges which extend perpendicularly from the outer edge of the matrix are provided for the same purpose.
In preferred embodiments, the matrix is formed from a plastics material, suitably a recycled plastics material, further includes apertures 15 between at least some of the matrix voids 9. In alternative embodiments, not shown, the matrix is cast in-situ from the aggregate granule-resin mix and a suitably modified mould.
In the embodiment of Figures 1 to 4, the matrix is formed from a grid having square voids and a generally square structure. In alternative embodiments, not shown, the matrix has a generally circular shape, or a polygonal shape such as a hexagon or octagon. In further alternative embodiments, the voids are circular or polygonal, such as hexagonal, in cross-section (when viewed from below). Once such preferred matrix is shown in Figures 5 and 6.
In this embodiment, the matrix 20 has an upper surface 21 (Figure 6) which includes a plurality of apertures 22 and void perforations 23. Apertures 22 have side walls 24 depending from upper surface 21. In use, in the final slab, apertures 22 act as anchoring means allowing the slab material to pass through the apertures to bond the matrix to the body of the slab during manufacture. The filled apertures then also provide additional strengthening, particularly useful if the slab needs to be cut to fit a particular shape. Void perforations 23 allow for drainage of water through the slab.
In the embodiment shown, the voids 25 are formed as regular octagons such that apertures 22 are formed between diagonally adjacent voids 25.
Further apertures 30 are formed in the side walls of longitudinally and laterally adjacent voids 25 adjacent the upper surface 21. Apertures 30 are in communication with elongate apertures 31 formed in the upper surface 21 and provide a dual function. They allow transverse drainage between voids and also, if the slab is to be laid over concrete or on mortar pads, allow the pug or unset mortar to flow between voids through the apertures 30, 31 to anchor the slab further to the ground substrate.
In the embodiment shown in Figures 5 and 6, the co-planar peripheral flange 14 of the embodiment of Figures 1 to 4 is supplemented with a series of orthogonal flanges 32 to provide additional anchoring to the slab body.
In forming a slab in accordance with the present invention, suitable aggregate granules include, but are not limited to natural stone, granite or gravel aggregate granules, flints, bauxites/basalt, recycled glasses, brick and porcelain. The sizes of the aggregate granules will be graded according to the required properties, such as appearance permeability and strength, of the slab. Typical size gradings are 1-3mm, 3-6mm, and 6-10mm.
Suitable resins include, but are not limited to polyurethane and epoxy resins.
Preferred resins are non-hazardous and are stable to ultra-vio let light. This is important to prolong the lifetime of the slabs and prevent clouding' of the resin after long-term exposure of the slab and resin to the elements.
To ensure a high quality finish in the slab, prior to its casting, the aggregate granules undergo a two-stage washing and drying procedure. Subsequently, the aggregate granules are mixed with a specific predetermined amount of resin until the aggregate granules are suitably coated. The mix is then poured into a steel or silicon framed mould which has been coated with a non-stick silicone or grease. This ensures that the slab can be easily released from the mould when the resin has cured. Prior to the pouring of the mix, an appropriate matrix is located within the mould such that it will become embedded within the finished slab.
The exposed upper surface of the resin-coated aggregate mix within the mould is then floated-up to spread the mix into the mould and provide a level upper surface for the finished slab.
Alternatively, the mould may be shaken or vibrated to ensure a compact and uniform distribution of the aggregate granules throughout the slab and to increase density.
This also ensures that the slabs formed from a particular aggregate will have generally standardised characteristics such as strength and hardness. The resin and aggregate mix is then finally levelled and hand-floated to a specified desired finish, and left to cure and set. During this time, a non-slip coating may be applied to the upper surface of the slab. Suitable non-slip coatings include sand or fine grit.
In use, the slabs are located onto a firm and level base such as earth, compacted hardcore or levelled sharp sand in the manner of a conventional slab. The unique matrix in the underside of the slab allows the base material to enter the void, or series of voids, to securely fix the slab and prevent slippage. An especially secure fixing is provided when a mortar plug is used in conjunction with the slab.
Slabs of the present invention are hardwearing and durable, optionally include a non-slip finish and have a desirable overall appearance. Due to their permeability to rain and surface water, the slabs provide a sustainable drainage system which is ecologically and environmentally friendly. Even when installed of an impermeable base such as concrete or tarmac, the slabs of the present invention avoid the problems of run off, slowing and directing the flow of water. The matrix adds strength to the slab and to the installation as a whole, The matrix system facilitates a more secure foundation and fixing of the slab to the ground substrate which also further improves the permeability of the slab to rain and surface water.
Claims (15)
- Claims 1. A resin-bound slab comprising an aggregate and a resin, wherein the slab is permeable and comprises a cavity in its bottom surface, and wherein the cavity includes a matrix.
- 2. A slab as claimed in claim 1, wherein the matrix comprises a plurality of voids.
- 3. A slab as claimed in claim 2, wherein the matrix is a grid insert.
- 4. A slab as claimed in any preceding claim wherein the matrix is formed from a plastics material.
- 5. A slab as claimed in any preceding claim wherein the matrix has at least one peripheral flange, preferably a plurality of peripheral flanges.
- 6. A slab as claimed in any preceding claim wherein the matrix is formed with inner walls defining a grid and thus a plurality of voids and further includes a plurality of apertures linking adjacent voids.
- 7. A slab as claimed in any preceding claim further comprising a non-slip upper surface, preferably a non-slip covering.
- 8. A slab as claimed in claim 7 wherein the non-slip covering is resin-bound sand or fine grit.
- 9. A matrix for a resin-bound slab, wherein the matrix comprises an upper surface having a plurality of walls depending therefrom, wherein the walls define a plurality of voids.
- 10. A matrix as claimed in claim 9 wherein at least some of the voids are formed as through-voids with the upper surface.
- 11. A matrix as claimed in claim 9 or claim 10 further comprising peripheral engagement means, preferably at least one peripheral, co-planar flange.
- 12. A matrix as claimed in claim 11 wherein the peripheral engagement means further comprises a plurality of orthogonal flanges.
- 13. A matrix as claimed in any one of claims 9 to 12 wherein at least some of the walls are formed with a wall aperture adjacent the upper surface and the upper surface is formed with corresponding apertures in communication with an adjacent wall aperture.
- 14. A method of forming a permeable resin-bound slab comprising an aggregate and a resin, which further comprises a cavity in its bottom surface, wherein the cavity includes a matrix, wherein the method comprises the steps of vii) locating a matrix as claimed in any one of claims 9 to 13 within in a mould; viii) mixing an aggregate and suitable resin, to provide a resin-coated aggregate; ix) pouring the resin-coated aggregate mix into the mould; x) floating the surface of the resin-coated aggregate mix, to spread the mix into the mould and provide a level upper surface; xi) curing; and xii) removing the slab from the mould.
- 15. A method as claimed in claim 14 further comprising a step of adding a non-slip covering to the upper surface, preferably wherein the non-slip covering is a fine particulate material such as sand or grit.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0904390A GB0904390D0 (en) | 2009-03-13 | 2009-03-13 | Slab |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201004118D0 GB201004118D0 (en) | 2010-04-28 |
GB2468595A true GB2468595A (en) | 2010-09-15 |
GB2468595B GB2468595B (en) | 2013-06-05 |
Family
ID=40637330
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0904390A Ceased GB0904390D0 (en) | 2009-03-13 | 2009-03-13 | Slab |
GB201004118A Active GB2468595B (en) | 2009-03-13 | 2010-03-12 | Slab |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0904390A Ceased GB0904390D0 (en) | 2009-03-13 | 2009-03-13 | Slab |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2243621B8 (en) |
GB (2) | GB0904390D0 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100027941A1 (en) * | 2021-11-03 | 2023-05-03 | Granulati Zandobbio S P A | DRY FLOORING INSTALLATION SYSTEM FOR NATURAL OR ARTIFICIAL SLABS, TILES OR TILES AND RELATED SUPPORT |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2553677B1 (en) * | 2014-06-09 | 2016-09-14 | Enrique Javier GIL RODRIGUEZ | MANUFACTURING PROCEDURE OF A COMPOSITE MATERIAL PART AND PRODUCT OBTAINED |
US10415260B2 (en) | 2017-11-13 | 2019-09-17 | Strata Innovations Pty Limited | Structural cells, matrices and methods of assembly |
CN108975786A (en) * | 2018-08-28 | 2018-12-11 | 重庆大学 | A kind of preparation method of high-performance fabricated permeable product |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933135A (en) * | 1982-08-20 | 1984-02-22 | シルバ−工業株式会社 | Manufacture of surface material |
WO1998045546A1 (en) * | 1997-04-09 | 1998-10-15 | Miroslav Vitous | Porous building materials and method of manufacturing same |
JPH10330144A (en) * | 1997-05-30 | 1998-12-15 | Nippon Conveyor Co Ltd | Production of resin molded product and apparatus therefor |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2157673A (en) * | 1984-04-19 | 1985-10-30 | Ronald Parry | Improvements relating to the manufacture of porous articles |
JPH01242449A (en) * | 1988-03-23 | 1989-09-27 | Saburo Takahashi | Water permeable natural color flat board and production thereof |
FR2637636A1 (en) * | 1988-10-11 | 1990-04-13 | Vironneau Pierre | Thin and rigid elements ready to be laid as a covering, and method for manufacture of such elements |
DE59002797D1 (en) * | 1989-05-18 | 1993-10-28 | Hmw Fugentechnik Vertrieb Mari | Plate-shaped drainage element for installation under moisture-laden floors. |
DE9410416U1 (en) * | 1994-06-28 | 1994-08-18 | Biedron Ralf | Base plate made of artificial stone |
DE29711268U1 (en) * | 1997-06-27 | 1997-10-30 | Frisch Hans | Permeable mold plates and stones |
AUPR207500A0 (en) * | 2000-11-23 | 2001-01-11 | Urriola, Humberto | Permeable paver |
JP2002256680A (en) * | 2001-02-28 | 2002-09-11 | Taiei Shoko Kk | Plastic structural body |
GB2463680A (en) * | 2008-09-22 | 2010-03-24 | Abbey Plastics And Tooling Ltd | A draining paving block comprising a porous receptacle filled with aggregate |
-
2009
- 2009-03-13 GB GB0904390A patent/GB0904390D0/en not_active Ceased
-
2010
- 2010-03-12 EP EP10156406.0A patent/EP2243621B8/en active Active
- 2010-03-12 GB GB201004118A patent/GB2468595B/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5933135A (en) * | 1982-08-20 | 1984-02-22 | シルバ−工業株式会社 | Manufacture of surface material |
WO1998045546A1 (en) * | 1997-04-09 | 1998-10-15 | Miroslav Vitous | Porous building materials and method of manufacturing same |
JPH10330144A (en) * | 1997-05-30 | 1998-12-15 | Nippon Conveyor Co Ltd | Production of resin molded product and apparatus therefor |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT202100027941A1 (en) * | 2021-11-03 | 2023-05-03 | Granulati Zandobbio S P A | DRY FLOORING INSTALLATION SYSTEM FOR NATURAL OR ARTIFICIAL SLABS, TILES OR TILES AND RELATED SUPPORT |
Also Published As
Publication number | Publication date |
---|---|
EP2243621A1 (en) | 2010-10-27 |
EP2243621B8 (en) | 2013-12-18 |
GB0904390D0 (en) | 2009-04-29 |
EP2243621B1 (en) | 2013-11-06 |
GB2468595B (en) | 2013-06-05 |
GB201004118D0 (en) | 2010-04-28 |
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